Typography Is 90% of Web Design — The Rest Is Just Decoration.
Typography — the art of arranging text — is the most important element of web design because text is how most information is communicated online. Good typography is invisible; readers focus on the content, not the typeface. Bad typography is immediately noticeable and damages credibility. According to a 2025 study by Adobe, 73% of consumers say they would not purchase from a site with poor typography.
At x13apps, we treat typography as a cornerstone of every design. Here are the principles that guide our font choices.
Limit Your Font Selection
Use a maximum of 2-3 typefaces on any website. One for headings, one for body text, and possibly one for accents or special purposes. Using too many fonts creates visual chaos. Choose fonts that contrast each other — a serif for headings with a sans-serif for body text creates clear hierarchy and visual interest.
Google Fonts offers hundreds of free, web-optimized typefaces. Popular pairings include Playfair Display with Source Sans Pro, or Inter with Merriweather. For professional projects, consider licensed fonts from Typekit or Hoefler&Co.
Prioritize Readability
Body text should be at least 16px (18-20px is better for readability on modern screens). Line height should be 1.5-1.8x the font size for comfortable reading. Line length should be 50-75 characters per line — longer lines tire the eyes and shorter lines disrupt flow. Use adequate paragraph spacing to separate ideas visually.
Aim for a strong contrast ratio between text and background — at least 4.5:1 for normal text and 3:1 for large text (WCAG AA). Avoid light gray text on white backgrounds, no matter how trendy it looks. If users struggle to read your content, they will leave.
Establish a Clear Typographic Hierarchy
Users scan before they read. A clear hierarchy using different font sizes, weights, and colors guides the eye and communicates the relative importance of information. Headings should be noticeably larger and bolder than body text. Use a modular scale for consistent sizing ratios.
Consider Performance and Accessibility
Custom fonts impact page load time. Use font-display: swap to ensure text remains visible during font loading. Subset fonts to include only the characters you need. Consider variable fonts that combine multiple weights in a single file. Ensure all text can be resized 200% without breaking layout. Use relative units (rem, em) rather than pixels for font sizes. At x13apps, we select and implement typography that enhances both aesthetics and readability. For more, read our color psychology guide.